The effect of low level laser therapy on the rate of tooth movement and pain perception during canine retraction.


AIMS This study investigated the effect of an 810 nm gallium-aluminum-arsenide (Ga-Al-As) laser on tooth movement velocity and pain perception during canine retraction in orthodontic patients. METHODS This single blind study included 20 patients requiring upper first premolar extraction on both sides. One half of the upper arch was irradiated with a… (More)


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